1254153205 has 16 divisors (see below), whose sum is σ = 1555776000. Its totient is φ = 969554880.

The previous prime is 1254153191. The next prime is 1254153247. The reversal of 1254153205 is 5023514521.

It is not a de Polignac number, because 1254153205 - 2¹⁵ = 1254120437 is a prime.

It is a super-2 number, since 2×1254153205² = 3145800523223544050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109071 + ... + 120019.

It is an arithmetic number, because the mean of its divisors is an integer number (97236000).

Almost surely, 2^1254153205 is an apocalyptic number.

It is an amenable number.

1254153205 is a deficient number, since it is larger than the sum of its proper divisors (301622795).

1254153205 is a wasteful number, since it uses less digits than its factorization.

1254153205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11724.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1254153205 is about 35414.0255407374. The cubic root of 1254153205 is about 1078.4090673212.

Adding to 1254153205 its reverse (5023514521), we get a palindrome (6277667726).

The spelling of 1254153205 in words is "one billion, two hundred fifty-four million, one hundred fifty-three thousand, two hundred five".